Changshu Seamless Steel Tube Co., Ltd is a professional company of manufacturing and distributing small-Dia cold drawn (cold rolling) seamless steel tube, CHANGFENG brand is the trademark. Our main products: seamless steel tubes for engineering machinery, automobile and diesel engine; boiler, pressure vessel, heat exchanger seamless steel tubes; high-carbon chromium bearing tubes; non-oxidation and bright hydraulic precision tubes. The specification of seamless steel tube ranges from OD: ¦µ3-89mm with wall thickness: 0.5-20mm, Annual capacity is 50000MT.
Changshu Seamless Steel Tube Co., Ltd. locates in International Garden City ---Changshu city, Jiangsu province, in 2010, we moved to this new place with an area of more than 130000 m2, and building area is 60000 m2. We equipped three hot rolling¡¢piercing lines, four cold drawn (cold rolling) lines, and five natural gas automatic heat treatment furnace( bright and non-oxidation). With almost 40 years¡¯ R&D and production experience on seamless steel tube manufacturing, and we treat thin¡¢small¡¢precision as products¡¯ feature, intensive and careful cultivation as production principle. We have the special equipments¡¯ manufacturing license for pressure pipeline components ¡¾A2(1)¡¢B(1)(2)¡¿and bearing steel tubes. We can supply according to GB¡¢ASME¡¢ASTM¡¢JIS¡¢DIN etc., and follow client¡¯s internal control standard as well, especially, we accept Customerization order to supply special specification tube/pipes.
Scientific and technological innovation is main medium for serving our customers, we founded Suzhou city production technical engineering center, with rich experience and steady technical product R&D person and skilled worker team, having postgraduate studio united with Anhui University of Technology, Nanjing University of Aeronautics and Astronautics, Jiangsu University. Our automatic control system for heat treatment is at the very advanced level in this industry. And the Seamless boiler tube for high pressure service, Alloy steel tubes for heavy machinery crawler plate service, Thick rocking shaft bearing tubes for engine¡¯s valve service, High-carbon chromium bearing tubes are approved as High-Tech Products by Jiangsu Province. CHANGFENG brand was awarded the title of Well-Known Brand of Suzhou.
Our company have full of Jiangnan culture¡¯s management foundation, insist on honest¡¢credit¡¢win-win¡¢harmonious as our tenet, have been awarded as ¡°An AAA Grade Enterprise of Honoring Contracts and Keeping Promise ¡± for over 10 years by Jiangsu Province and our credit rating is ¡°AAA¡±. We are approved by ISO: 9001, ISO: 14001 & OHSAS: 18001 standards and have certificates for measurement assurance issued by Province Govt. We focus on establishing harmonious employee relations, and get titles of Safety Company both in CHANGSHU and SUZHOU CITY, integrity & law-abiding enterprise, employment relation harmonious company.
¡°Consistently preserve says as CHANG, to go beyond says as FENG¡±, we don¡¯t pursuit big but strong, we don¡¯t pursuit full-scale but professional. Make suitable market positioning; improve our serving customer¡¯s ability. We sincerely wish to cooperate with all friends and work hard together to create our brilliant future!
Changshu Seamless Steel Tube Co., Ltd.